Get request headers using curl

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Using curl

$ curl https://httpbin.org/headers

I got the following response:

{
  "headers": {
    "Accept": "*/*",
    "Host": "httpbin.org",
    "User-Agent": "curl/7.81.0",
    "X-Amzn-Trace-Id": "Root=1-6394b68a-65bd2c145c2304274a314120"
  }
}